Finding the Third Proportional to 25,402 and 55,724

Step by Step Solution

1. Step 1: Write the proportion equation
   25,402 : 55,724 = 55,724 : x
2. Step 2: Convert to fraction form
   25,402/55,724 = 55,724/x
3. Step 3: Cross multiply
   25,402x = 55,724 × 55,724
4. Step 4: Simplify right side
   25,402x = 3,105,164,176
5. Step 5: Solve for x
   x = 3,105,164,176/25,402
6. Step 6: Final answer
   x = 122,240.93